Research Article

Removal of Heavy Metal Ions (Pb2+, Co2+, and Cd2+) by Activated Carbon from Cypress Fruit: An Investigation of Kinetics, Thermodynamics, and Isotherms

Table 6

Comparison of heavy metal ions adsorption onto ACC with other reported adsorbents.

Adsorbent (mg/g)

Olive branches AC [15]41.32 Pb2+, 38.17 Cd2+
Tea and coffee powder [16]244 Co2+
Orange peel powder [17]11.48 Co2+
Orange peel [18]85.7 Cd2+
Onion outer layer [19]60.02 Cd2+
Lettuce leaves [20]68.2 Pb2+
Cypress fruit AC (present study)84.15 Pb2+, 79.16 Co2+, 61.32 Cd2+